29 July 2021: Clinical Research
Efficacy of Single Level Versus Double Levels Surgery of Percutaneous Disc Nucleoplasty (PDN) Approach in Treating Lumbar Disc Herniation
Haidong Yin 1BCDEF , Xinmei Zhang 2BCEF , Zhiping Huang 3BCD , Yang Song 2BCF , Qingan Zhu 3ADEG*DOI: 10.12659/MSM.930000
Med Sci Monit 2021; 27:e930000
Table 5 Reoperation at the index level in the single-level group and double-level group.
| Characteristics | Single level group (n=75) | Double levels group (n=30) | Control group (n=184) |
|---|---|---|---|
| Within 6 months after PDN | |||
| Discectomy | 1 | 1 | 3 |
| Decompression | 1 | 2 | 2 |
| Spondylodesis | 1 | 0 | 2 |
| More than 6 months after PDN | |||
| Discectomy | 1 | 0 | 4 |
| Decompression | 0 | 1 | 2 |
| Spondylodesis | 1 | 3 | 4 |